1. Which formula can be used to find the sum of the interior angles of a polygon?
A. (n-2)180
B.180n - 1
C. 360/n
D.(180n - 360)/n
2. Is the following statement always, sometimes or never true? "A rhombus is a parallelogram."
Always
Sometimes
Never
3. A hexagon has three right angles. The remaining three angles are congruent. What are their measures?
135°
150°
120°
90°
4. The sum of the interior angles of a polygon is 1440°. How many sides does the polygon have?
14
8
10
12
5. The sum of the measures of four exterior angles of a pentagon is 282 degrees. What is the measure of the fifth exterior angle?
72°
108°
18°
78°
6. How many sides does a regular polygon have if each exterior angle measures 40°?
9
10
8
6
This is the unit 10 lesson 3 alternate quiz, if anyone has the rest of the answers for the test I'd greatly appreciate it!